<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    div {
      width: 100px;
      height: 100px;
    }

    .one {
      background-color: pink;
    }

    .two {
      background-color: skyblue;
    }
  </style>
</head>

<body>
  <section>
    <div class="one"></div>
    <div class="two"></div>
  </section>
</body>

</html>